A runner system for a multi-cavity injection molding system, the runner system having runners of reduced size.

A method of manufacturing a crash-resistant structural part for an automobile, the crash-resistant structural part including a beam element for receiving an impact force during a crash of the automobile is provided. The method comprises a step of arranging at least one layer of fibers having a length of 100 mm or more, and a step of mixing components required to form a thermoplastic polymer resin, the components including a reactive monomer, thereby forming a liquid precursor mixture of the thermoplastic polymer resin. At least one layer of fibers is impregnated with the liquid precursor mixture, and the beam element is formed by an in-situ polymerization reaction of the liquid precursor mixture having impregnated the at least one layer of fibers.

A bumper cross member for a motor vehicle includes an insert of fiber-reinforced composite material and reinforcing structures molded onto the insert. A first groove is formed onto the insert, and the reinforcing structures include ribs formed in the first groove. The ribs extend inclined in relation to a longitudinal direction of the groove from one lateral wall of the groove to the other. The insert is further formed into a second groove, which are open toward opposing sides of the insert. The first and second grooves share a lateral wall. An outer bumper skin is supported by the bumper cross member.

One resin part has an engaged portion at an end portion. The engaged portion has a fit-together hole at an inner wall and a first extending piece disposed at a peripheral edge portion of the fit-together hole extends-out from a first side wall that connects the inner wall and the end portion of the one resin part. Another resin part is to be made integral with the one resin part, and the other resin part has an abutment wall and a second extending piece that extends-out from a distal end portion of the abutment wall. The abutment wall abuts the first side wall of the engaged portion, and the second extending piece abuts the first extending piece in a state in which the second extending piece has been inserted in the fit-together hole and the abutment wall is abutted the first side wall.

A mold for producing a vehicle bumper fascia and methods for releasing the bumper fascia are provided. The mold includes a core mold half having a primary mold core. A first movable mold core is slidingly engaged to the primary mold core. A second movable mold core is slidingly engaged to the first movable mold core. A third movable mold core is slidingly engaged to the second movable mold core. Portions of the primary mold core and the movable mold cores together define cavities for forming the mounting rib, a wing portion, and a wheel well flange of the bumper fascia. Methods of releasing the bumper fascia include the steps of providing the mold, disengaging the movable mold cores from each other and from the primary mold core.

An injection moulding apparatus including at least a first mould plate, the first mould plate having a first injection inlet arranged in fluid connection with a first gate leading into a mould cavity and a second injection inlet arranged in fluid connection with a second gate leading into the mould cavity. The first and second injection inlets are arranged to open in sequence. The second gate includes a first gate volume leading into the mould cavity. The second gate is further provided with a second gate volume allowing injection material to flow into the second gate volume at the same time as into the first gate volume and thereafter into the mould cavity.

A bumper beam body 13 and upper and lower parts of a flange portion 22 each contain a continuous fiber reinforced polymer layer 20, and a first flange tip portion 22a made of thermoplastic resin that has an L-shaped cross section extending outward in a vertical direction and then curving outward in a vehicle rear-front direction is connected to edges of the flange portion 22. Thereby, even when continuous fibers and matrix resin of the continuous fiber reinforced polymer layer 20 stick out from the edges of the flange portion 22 as flash, this flash can be covered with the first flange tip portion 22a.

A mold for producing a vehicle bumper fascia and methods for releasing the bumper fascia are provided. The mold includes a core mold half having a primary mold core. A first movable mold core is slidingly engaged to the primary mold core. A second movable mold core is slidingly engaged to the first movable mold core. A third movable mold core is slidingly engaged to the second movable mold core. Portions of the primary mold core and the movable mold cores together define cavities for forming the mounting rib, a wing portion, and a wheel well flange of the bumper fascia. Methods of releasing the bumper fascia include the steps of providing the mold, disengaging the movable mold cores from each other and from the primary mold core.

Motor vehicle exterior part comprising: a wall comprising a face intended to be visible from outside the vehicle, the face being coated with a first layer; a second layer covering the first layer; and a heating element arranged between the two layers on the first layer, the first layer comprising an area of increased thickness and the heating element being arranged only on the area of increased thickness of the first layer.

A jounce bumper of an automotive vehicle suspension system contains a longitudinal axis. The jounce bumper is configured to resiliently deform between an uncompressed state and a compressed state, where in the compressed state the jounce bumper has a smaller length in the direction of the longitudinal axis than in the uncompressed state. The jounce bumper also contains a base body that acts as a primary spring element, where the base body is partially or completely made of a volume-compressible first material. In particular, the base body further contains at least one secondary spring element integrated within the base body. The secondary spring element is resiliently deformable between a first length in the uncompressed state and a second length in the compressed state, where the second length is smaller than the first length. The secondary spring element is partially or completely made of a compact second material.